Name: Phoenix Contact REL-MR- 12DC/21/MS Mini relay Nominal voltage: 12 V DC 1 change-over 10 pc(s)
Brand: Phoenix Contact
SKU: 3580260

A white rectangular electronic component marked 'Phoenix Contact,' with four metal prongs and a small orange switch on top.

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Product type

Mini relay

Contact type

1 change-over

Nominal voltage

12 V DC

Switching voltage (max.)

250 V DC/AC

Type

REL-MR- 12DC/21/MS

Datasheet (PDF)

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Technical specifications

Connection type: Plug / solder connection
Width 5 mm
Height: 28 mm
Depth: 16 mm
Colour: White (RAL 9010)
Ambient conditions: Environmental conditions
Protection class RT II
Ambient temperature (operation): -40 °C ... 85 °C
Ambient temperature (storage/transport): -40 °C ... 85 °C
Standards/regulations: IEC 60664; EN 50178; EN 61810-1
Insulation properties: Insulation properties
Over voltage category III
Pollution level 3
All mounting positions permitted
Identification: ISA-S71.04. G3 Harsh Group; EN 60068-2-60
Maximum power loss at rated conditions 0.17 W.
Operating mode 100 % ED
Input voltage range: 7.2 V DC ... 33 V DC
Mounting instructions: Can be aligned in series without spacing
Pollutant test: Pollutant gas test
Switching voltage maximum 250 V AC/DC
Inrush current max. 10 A (4 secs)
Data maintenance status: Data maintenance stand
Date of last data maintenance: 05.09.2025
NOMINAL INPUT VOLTAGE UN 12 V DC
Input voltage range referred to UN: See diagram
Typical input current at UN 14 mA
Contact version 1 changeover contacts
Continuous current 6 A
Switching: Switching
Mechanical life: 1x 107 switching cycles
Test voltage (Winding/contact): 4 kV AC (50 Hz, 1 min., winding/contact)
Offensive side: Pathogen side
Switching characteristics of drive: Mono-stable
Drive (polarity): Reversed
Typical response time: 5 ms
Typical fall-back time: 2.5 ms
Coil resistance 848 Ω ±10 % (at 20 °C)
Type of switch contact: Single contact
Contact material: AgSnO
Minimum switching voltage 5 V (at 100 mA)
Minimum switching current 10 mA (at 12 V)
Breaking capacity (resistive load) maximum: 140 W (at 24 V DC);20 W (at 48 V DC);18 W (at 60 V DC) ;23 W (at 110 V DC);40 W (at 220 V DC);1500 VA (at 250 V AC)
Switching capacity: 2 A (at 24 V, DC13);0.2 A (at 110 V, DC13);0.1 A (at 220 V, DC13);3 A (at 24 V, AC15 );3 A (at 120 V, AC15);3 A (at 230 V, AC15)
Engine load according to UL 508: 1/4 HP, 240 ... 277 V AC (normally open contact);1/6 HP, 240 ... 277 V AC (NC contact)